Pentair (NYSE:PNR) reported quarterly earnings of $1.11 per share which missed the analyst consensus estimate of $1.22 by 9.02 percent. This is a 20.14 percent decrease over earnings of $1.39 per share from the same period last year. The company reported quarterly sales of $932.600 million which missed the analyst consensus estimate of $958.064 million by 2.66 percent. This is a 16.95 percent decrease over sales of $1.123 billion the same period last year.